Elliot Rosenzweig, a respected civic leader and wealthy philanthropist, is attending a fundraiser when he is suddenly accosted and accused of being a former Nazi SS officer named Otto Piatek, the Butcher of Zamość. Although the charges are denounced as preposterous, his accuser, Ben Solomon, is convinced he is right. Solomon engages attorney Catherine Lockhart to bring Rosenzweig to justice. But has he accused the right man?